<template>
  <div>
       <div class="footer">
             <h1>我是footer子组件</h1>
             <button @click="$emit('alcohol','一车茅台')">给爸爸送一车茅台</button>
       </div>
  </div>
</template>

<script>
export default {
  name: '',
  mounted(){
    this.$bus.$on('home',(params)=>{
        console.log(params);
    })
  }
}
</script>

<style scoped>
    .footer{
        width:400px;
        height:200px;
        background:red;
        margin: 50px 0px;
    }
</style>
